Papers, Symposia, Addresses, Reports: The Academy's Opportunities for Usefulness; Cultural Affinities and Differences in Illinois Archaeology; The Use of Animal Life by the Mound-building Indians of Illinois; Geology and the Indian Mounds;...

Papers, Addresses, Reports: Treasurer's Report; Production of Bound by the Application of Heat; Research in Applied Acoustics at the Wallace Clement Sabine Laboratory; The Atom of the Chemist; Stellar Evolution; Selecting and Encouraging...

Papers, Addresses, Reports: Research, Its Opportunities and Rewards; Chemical Messengers, A Special Consideration; Contributions of the Physical Sciences to Human Welfare; Extract from the Report of the Section Chairman (Botany); Frederick...

Papers, Addresses, Reports: A New Approach to Studies of Culture and Society; Welcome to Augustana; Dedication of Lindahl-Udden Memorial; The Beginning of the Illinois State Academy of Science; The Ligneous Flora of Richland County, Illinois,...

This report traces the development and rate of adoption of three important types of farm automotive equipment and analyzes some of their measurable effects on the organization of agriculture and farm labor requirements.

This study was undertaken for the purpose of providing a better understanding of the extent and nature of rural population movements and of the relations of these movements to such significant social and economic factors as quality of land,...